1. Human Sexuality

2. Structures and Functions: MALE
PENIS:
TESTES:
SCROTUM:
- External male sex organ
- Produces sperm and hormones
- muscular sac that holds and protects the testes

3. Structures and Functions: MALE
EPIDIDYMUS:
VAS DEFERENS:
URETHRA:
- Stores immature sperm / where sperm mature
- tube that carries sperm from the epididymus
- brings urine and semen out of the body through the penis

4. Structures and Functions: MALE
SEMINAL VESICLE(S):
COWPERS GLAND:
PROSTATE:
- adds a sugary fluid to semen which enables the sperm to move
- adds fluid to semen; neutralizes the urethra
- adds a chemical fluid to semen; neutralizes the vagina

6. BLADDER*
SEMINAL VESICLE(S)
PROSTATE GLAND
VAS DEFERENS
URETHRA
COWPERS GLAND
EPIDIDYMUS
PENIS
TESTES
SCROTUM

7. SPERMATOGENESIS SPERM CELL Produced in the testes
Carries hereditary information
Produced throughout the lifetime

8. Little Known Sperm Facts
Animal Average number of sperm per ejaculate (in millions)
Mouse 50    
Rat    
Guinea Pig 80  
Rabbit    
Man    
Sheep  
Cow    
Pig

9. The amount of time it takes for sperm to get where they need to go
Animal Travel Time    
Cow Minutes    
Rabbit Few minutes    
Mouse 15 Minutes    
Guinea Pig 15 Minutes    
Sow (Pig) 15 Minutes    
Rat Minutes    
Hamster Minutes    
Dog Minutes-Hours    
Ewe (Sheep) 6 Minutes - 5 Hours
Woman Minutes        

10. Animal Fertile Life of Sperm (hours)
Mouse 6 Rat 14 Guinea Pig Human Rabbit Sheep Cow Horse 144 Bat 135 Days

11. Structures and Functions: FEMALE
VAGINA:
CERVIX:
UTERUS:
ENDOMETRIUM:
- birth canal
- entrance to the uterus
- the womb; houses the fetus during pregnancy
- lining of the uterus

12. Structures and Functions: FEMALE
OVARY:
OVUM
Mature egg cell
FIMBRIA:
FALLOPIAN TUBES:
- produce egg cells
- fringe of tissue around the opening of the fallopian tube
- carry egg cells from the ovary to the uterus

14. FALLOPIAN TUBES
OVUM*
OVARY
FIMBRIA
ENDOMETRIUM*
UTERUS
CERVIX
VAGINA

15. PHASE 1
When menstruation begins and continues for 4 – 7 days
PHASE 2
Endometrium thickens
Ovulation occurs
Fertilization must occur within 24 – 72 hours
PHASE 3
Endometrium continues to thicken
If the egg is NOT fertilized, the endometrium is shed from the body.

17. B A E C D